Merge pull request #6368 from practicalswift/initialize-fieldrecordflags-data-to-zero

[gardening] Make sure FieldRecordFlags.Data never contains uninitialized data

Author: practicalswift

include/swift/Reflection/Records.h

@@ -32,7 +32,7 @@ class FieldRecordFlags {
     // Is this an indirect enum case?
     IsIndirectCase = 0x1
   };
-  int_type Data;
+  int_type Data = 0;
 
 public:
   bool isIndirectCase() const {